Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/82944
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dc.contributor.authorLabeckas, Gvidonas-
dc.contributor.authorSlavinskas, Stasys-
dc.coverage.spatialLT-
dc.date.accessioned2019-05-17T01:07:24Z-
dc.date.available2019-05-17T01:07:24Z-
dc.date.issued2010-
dc.identifier.issn16484142-
dc.identifier.otherVDU02-000044535-
dc.identifier.urihttps://journals.vgtu.lt/index.php/Transport/article/view/5756/5000-
dc.description.abstractThe article deals with the testing results of a four stroke four cylinder, DI diesel engine operating on pure rapeseed oil (RO) and its 2.5vol%, 5vol% and 7.5vol% blends with ethanol (ERO) and petrol (PRO). The purpose of this study is to examine the effect of ethanol and petrol addition to RO on blend viscosity, percentage changes in brake mean effective pressure (bmep), brake specific fuel consumption (bsfc), the brake thermal efficiency (ηe) of a die- sel engine and its emission composition, including NO, NO2, NOx, CO, CO2, HC and the smoke opacity of exhausts. The addition of 2.5, 5 and 7.5vol% of ethanol and the same percentage of petrol into RO, at a temperature of 20 oC, diminish the viscosity of the blends by 9.2%, 21.3%, 28.3% and 14.1%, 24.8%, 31.7% respectively. Heating biofuels up to a temperature of 60 oC, diminishes the kinematic viscosity of RO, blends ERO2.5–7.5 and PRO2.5–7.5 4.2, 3.9–3.8 and 3.9–3.7 times accordingly. At a speed of 1400–1800 min–1, bmep higher by 1.3% if compared with that of RO (0.772–0.770 MPa) ensures blend PRO2.5, whereas at a rated speed of 2200 min–1 , bmep higher by 5.6–2.7% can be obtained when fuelling the loaded engine, λ = 1.6, with both PRO2.5–5 blends. The bsfc of the engine operating on blend PRO2.5 at maximum torque and rated power is respectively 3.0% and 5.5% lower. The highest brake thermal efficiency at maximum torque (0.400) and rated power (0.415) compared to that of RO (0.394) also suggests blend PRO2.5. The largest increase in NOx emissions making 1907 ppm (24.8%) and 1811 ppm (19.6%) compared to that of RO was measured from a more calorific blend PRO7.5 (9.99% oxygen) at low (1400 min–1) and rated (2200 min–1) speedsen
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŽemės ūkio akademija-
dc.format.extentp. 116-128-
dc.language.isoen-
dc.relation.ispartofTransport. Vilnius: VGTU "Technika", Vol. 25, no.2 (2010)-
dc.relation.isreferencedbyScience Citation Index Expanded (Web of Science)-
dc.relation.isreferencedbyCompendex-
dc.relation.isreferencedbyICONDA-
dc.relation.isreferencedbyScopus-
dc.subjectDiesel engineen
dc.subjectEthanolen
dc.subjectPetrolen
dc.subjectRapeseed oilen
dc.subjectPerformance efficiencyen
dc.subjectEmissionsen
dc.subjectSmoke opacityen
dc.subject.classificationStraipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)-
dc.subject.otherAplinkos inžinerija / Environmental engineering (T004)-
dc.titleThe effect of ethanol, petrol and rapeseed oil blends on direct injection diesel engine performance and exhaust emissionsen
dc.typeresearch article-
dc.identifier.isiWOS:000280155100002-
dcterms.bibliographicCitation27-
dc.date.updated2021-04-28T14:52Z-
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local.typeS-
item.fulltextNo Fulltext-
item.grantfulltextnone-
crisitem.author.deptŽemės ūkio inžinerijos fakultetas-
crisitem.author.deptŽemės ūkio inžinerijos fakultetas-
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